参数资料
型号: LMV982MUTAG
厂商: ON Semiconductor
文件页数: 9/21页
文件大小: 0K
描述: IC OP AMP RRIO DUAL 1.8V 10UQFN
标准包装: 1
放大器类型: 通用
电路数: 2
输出类型: 满摆幅
转换速率: 0.48 V/µs
增益带宽积: 1.5MHz
电流 - 输入偏压: 1nA
电压 - 输入偏移: 1000µV
电流 - 电源: 95µA
电流 - 输出 / 通道: 80mA
电压 - 电源,单路/双路(±): 1.8 V ~ 5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-UFQFN
供应商设备封装: 10-UQFN(1.4x1.8)
包装: 标准包装
其它名称: LMV982MUTAGOSDKR
LMV981, LMV982
http://onsemi.com
17
APPLICATION INFORMATION
+
R1
R2
VO
Vref
Vin
VOH
VO
VOL
Hysteresis
VinL
VinH
Vref
MC1403
LMV981
+
R1
VCC
VO
2.5 V
R2
50 k
10 k
Vref
5.0 k
R
C
R
C
+
VO
For: fo = 1.0 kHz
R = 16 kW
C = 0.01 mF
VCC
LMV981
Figure 27. Voltage Reference
Figure 28. Wien Bridge Oscillator
Figure 29. Comparator with Hysteresis
VO + 2.5 V(1 )
R1
R2
)
Vref +
1
2
VCC
fO +
1
2pRC
VinL +
R1
R1 ) R2
(VOL * Vref) ) Vref
VinH +
R1
R1 ) R2
(VOH * Vref) ) Vref
H +
R1
R1 ) R2
(VOH * VOL)
For less than 10% error from operational amplifier,
((QO fO)/BW) < 0.1 where fo and BW are expressed in Hz.
If source impedance varies, filter may be preceded with
voltage follower buffer to stabilize filter parameters.
Given: fo = center frequency
A(fo) = gain at center frequency
Choose value fo, C
Vin
Figure 30. Multiple Feedback Bandpass Filter
+
VCC
R3
R1
R2
Vref
C
VO
CO = 10 C
CO
LMV981
Then :
R3 +
Q
pfO C
R1 +
R3
2A(fO)
R2 +
R1 R3
4Q2 R1 * R3
ORDERING INFORMATION
Order Number
# of Channels
Specific Device Marking
Package Type
Shipping
LMV981SQ3T2G*
Single
AAE
SC706*
(PbFree)
3000 / Tape & Reel
LMV981MU3TBG
Single
V
ULLGA8
(PbFree)
3000 / Tape & Reel
LMV982DMR2G*
Dual
V982
Micro10*
(PbFree)
4000 / Tape & Reel
LMV982MUTAG
Dual
DE
UQFN10
(PbFree)
3000 / Tape & Reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*Consult sales for package availability.
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